توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Great Britain. Foreign Office & Great Britain. Public Record Office. (1976). Foreign Office, African Department, General Correspondence from 1906. Public Record Office.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Great Britain. Foreign Office و Great Britain. Public Record Office. Foreign Office, African Department, General Correspondence from 1906. London: Public Record Office, 1976.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Great Britain. Foreign Office و Great Britain. Public Record Office. Foreign Office, African Department, General Correspondence from 1906. Public Record Office, 1976.